Our Freedom Fighter Magnet is 3" square and is a nice way to showcase your support for Hope Inspire Love and your fight against human trafficking. These thin magnets (15 mil thick) are made of high quality materials and can adhere on refrigerators, most cars, dry erase boards, kitchen appliances and school lockers. Depending on the outdoor conditions, these magnets are outdoor rated for 1 year and can last 2-3 years depending on conditions. They are weather proof and durable and will hold up to poor weather conditions.